<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./vue.js"></script>
    <style>
        [v-cloak] {
            display: none
        }
    </style>

</head>

<body>
    <div id="app">
        <span v-cloak>{{msg}}</span>
    </div>
    <script>
        const vm = new Vue({
            el: '#app',
            data: {
                msg: '哈哈哈'
            }
        })
    </script>
</body>

</html>